<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>arguments</title>
</head>
<body>
    
    <script>
        
        /* (function () {
            return console.log(typeof arguments);
        })(); */

        function fn () {
            return typeof arguments;
        }

        let ars = fn();

        console.log(ars);
    
    </script>

</body>
</html>